Chun Feng Huang / FILTER_LIB

A combination of some frequently used filters

CIRCULAR_BUFFER_VECTOR.h@7:10df955a92d9, 2017-02-10 (annotated)

Committer:
benson516
Date:
Fri Feb 10 18:26:47 2017 +0000
Revision:
7:10df955a92d9
Parent:
4:f1a174f1c63b 
Add the first-order Kalman filter

Who changed what in which revision?

UserRevisionLine numberNew contents of line
benson516 4:f1a174f1c63b 1 #ifndef CIRCULAR_BUFFER_VECTOR_H
benson516 4:f1a174f1c63b 2 #define CIRCULAR_BUFFER_VECTOR_H
benson516 4:f1a174f1c63b 3 //
benson516 4:f1a174f1c63b 4 #include <vector>
benson516 4:f1a174f1c63b 5
benson516 4:f1a174f1c63b 6 using std::vector;
benson516 4:f1a174f1c63b 7
benson516 4:f1a174f1c63b 8
benson516 4:f1a174f1c63b 9 class CIRCULAR_BUFFER_VECTOR{
benson516 4:f1a174f1c63b 10 public:
benson516 4:f1a174f1c63b 11 // Dimensions
benson516 4:f1a174f1c63b 12 size_t buffer_size;
benson516 4:f1a174f1c63b 13 size_t vector_size;
benson516 4:f1a174f1c63b 14
benson516 4:f1a174f1c63b 15 //
benson516 4:f1a174f1c63b 16 CIRCULAR_BUFFER_VECTOR(void);
benson516 4:f1a174f1c63b 17 CIRCULAR_BUFFER_VECTOR(size_t buffer_size_in, size_t vector_size_in);
benson516 4:f1a174f1c63b 18 // Initiate and reset the data in the buffer
benson516 4:f1a174f1c63b 19 void Init(size_t buffer_size_in, const vector<float> &initial_value); // If using the first type of constructer, this function helps
benson516 4:f1a174f1c63b 20 void Reset(const vector<float> &value); // Reset all the elements without changeing the buffer size
benson516 4:f1a174f1c63b 21 // Element-wise operation
benson516 4:f1a174f1c63b 22 vector<float> Get(int i); // Get the element that is i samples ago
benson516 4:f1a174f1c63b 23 void Set(int i, const vector<float> &value); // Set the element that is i samples ago to the "value"
benson516 4:f1a174f1c63b 24 void Increase(int i, const vector<float> &increase_value, bool is_minus); // vi += (or -=) increase_value
benson516 4:f1a174f1c63b 25 // Iterate the buffer
benson516 4:f1a174f1c63b 26 void Insert(const vector<float> &x_new); // Pop the oldest element and push a new element
benson516 4:f1a174f1c63b 27
benson516 4:f1a174f1c63b 28 private:
benson516 4:f1a174f1c63b 29 int idx; // The index of the current data in the buffer
benson516 4:f1a174f1c63b 30
benson516 4:f1a174f1c63b 31 vector<vector<float> > buffer;
benson516 4:f1a174f1c63b 32
benson516 4:f1a174f1c63b 33 // Utilities
benson516 4:f1a174f1c63b 34 // Increment
benson516 4:f1a174f1c63b 35 void Get_VectorIncrement(vector<float> &v_a, const vector<float> &v_b, bool is_minus); // v_a += (or -=) v_b
benson516 4:f1a174f1c63b 36
benson516 4:f1a174f1c63b 37 };
benson516 4:f1a174f1c63b 38
benson516 4:f1a174f1c63b 39 #endif